C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 41/00 (2006.01) B01J 23/755 (2006.01) B01J 23/888 (2006.01) B01J 37/30 (2006.01) C01G 53/00 (2006.01) C10G 45/08 (2006.01) C10G 49/04 (2006.01)
Patent
CA 2733579
The invention describes a heteropoly compound consisting of a nickel salt of a vacancy-keggin-type heteropolyanion comprising, in its structure, tungsten, of formula Nix+y/2 AW11-yO39-5/2y·zH2O, in which Ni is nickel, A is chosen from phosphorus, silicon and boron, W is tungsten, O is oxygen, y = 0 or 2, x = 3.5 if A is phosphorus, x = 4 if A is silicon, x = 4.5 if A is boron and x = m/2+2 for the rest, and z is an integer between 0 and 36, in which said heteropoly compound has no nickel atom as substitution for a tungsten atom in its structure, said nickel atoms being faced in counterion positions in the structure of said compound.
L'invention décrit hétéropolycomposé constitué d'un sel de Nickel d'un hétéropolyanion de type Keggin lacunaire comprenant dans sa structure du tungstène de formule Ni x+y/2 AW11-y O39-5/2y, ZH2O dans laquelle Ni est le nickel, A est choisi parmi le phosphore, le silicium et le bore, W est le tungstène, O est l'oxygène, y = 0 ou 2, x = 3.5 si A est le phosphore, x = 4 si A est le silicium, x = 4.5 si A est le bore, et x = m/2+2 pour la suite, et z est un nombre compris entre 0 et 36, dans lequel ledit hétéropolycomposé ne présente aucun atome de Nickel en substitution d'un atome de tungstène dans sa structure, lesdits atomes de Nickel étant placés en position de contre ion dans la structure dudit composé.
Ben Tayeb Karima
Bertoncini Fabrice
Bonduelle Audrey
Fournier Michel
Lamonier Carole
Ifp Energies Nouvelles
Robic
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